#AACC31#AACC31

#AACC31 is a light, vivid yellow-green. Relative luminance 0.520; OKLCH L 79.3% C 0.176 H 121.7°. Best body text is #000000 at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#AACC31
RGB	rgb(170, 204, 49)
HSL	hsl(73, 61%, 50%)
HSV	hsv(73, 76%, 80%)
CMYK	cmyk(16.7%, 0%, 76%, 20%)
CIE-LAB	lab(77.25, -31.28, 67.94)
CIE-LCH	lch(77.25, 74.79, 114.72°)
OKLab	oklab(79.33% -0.0923 0.1497)
OKLCH	oklch(79.33% 0.176 121.7)
XYZ	xyz(38.7254, 51.9535, 10.8930)
Luminance	0.5195 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AACC31 #5331CC

analogous

#CCA031 #AACC31 #5DCC31

triadic

#AACC31 #31AACC #CC31AA

tetradic

#AACC31 #31CCA0 #5331CC #CC315D

square

#AACC31 #31CCA0 #5331CC #CC315D

split-complementary

#AACC31 #315DCC #A031CC

monochromatic

#586919 #819B25 #AACC31 #BFD961 #D3E592

Accessibility & contrast

On white

1.84

#AACC31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.39

#AACC31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #AACC31

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AACC31	#FFFFFF	#000000	##000000
##AACC31	1.00	1.84	11.39	11.39
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.39	21.00	1.00	1.00
##000000	11.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9BF06

Deuteranopia (green-blind)

#D4BF40

Tritanopia (blue-blind)

#B3C1AF

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #aacc31;
/* rgb */ color: rgb(170, 204, 49);
/* oklch */ color: oklch(79.3% 0.176 121.7);

Tailwind

colors: {
  custom: {
    50: '#c7db75',
    500: '#aacc31',
    950: '#000000',
  },
}

SCSS

$custom: #aacc31;
$custom-light: #c7db75;
$custom-dark: #000000;

JSON

{
  "hex": "#aacc31",
  "rgb": {
    "r": 170,
    "g": 204,
    "b": 49
  },
  "hsl": {
    "h": 73.161,
    "s": 61.265,
    "l": 49.608
  },
  "oklch": {
    "l": 0.79325,
    "c": 0.17586,
    "h": 121.7
  },
  "luminance": 0.51954
}

Semantic roles & 50–950 ramp

primary

#AACC31

secondary

#3D2E73

accent

#43E467

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141509

muted

#83847D

Preview Lab

Preview with #AACC31

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →